Pith Number

pith:MXZ64P22

pith:2019:MXZ64P22SECAKNX563FC43ACLI

not attested not anchored not stored refs pending

The Future of Exoplanet Direct Detection

65 endorsers, John D. Monnier (University of Michigan)

arxiv:1907.09561 v1 · 2019-07-22 · astro-ph.IM · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MXZ64P22SECAKNX563FC43ACLI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:39:52.904865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65f3ee3f5a91040536fdf6ca2e6c025a2a15cb24da57b945d9f0b873a6b6a8e5

Aliases

arxiv: 1907.09561 · arxiv_version: 1907.09561v1 · doi: 10.48550/arxiv.1907.09561 · pith_short_12: MXZ64P22SECA · pith_short_16: MXZ64P22SECAKNX5 · pith_short_8: MXZ64P22

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/MXZ64P22SECAKNX563FC43ACLI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 65f3ee3f5a91040536fdf6ca2e6c025a2a15cb24da57b945d9f0b873a6b6a8e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b806b56ae7008427d2e9e54d23db90200274c0788d42886ec068c09e53d025b4",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-07-22T20:32:15Z",
    "title_canon_sha256": "7c52ff622fe789f9d82be2521e9539ff571ef06468f3dbd1120bc399abd2944f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09561",
    "kind": "arxiv",
    "version": 1
  }
}